/**
 * FlashGL Navigation System Styles
 *
 * BEM naming: .top-bar, .main-nav, .mega-menu, .mobile-nav
 * Covers: Top Bar, Main Navigation, Mega Menu, Sticky Header, Mobile Navigation.
 *
 * @package FlashGL
 */

/* ==============================
   Top Bar
   ============================== */

.top-bar {
    background-color: var(--wp--preset--color--dark, #0D1B4A);
    color: var(--wp--preset--color--white, #FFFFFF);
    height: var(--flashgl-topbar-height, 40px);
    font-size: var(--wp--preset--font-size--xs, 0.75rem);
    position: relative;
    z-index: 1000;
    overflow: visible; /* allow lang dropdown to overflow below top bar */
}

.top-bar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--flashgl-container-max, 1280px);
    margin: 0 auto;
    padding: 0 24px;
}

.top-bar__left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.top-bar__right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.top-bar__item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.top-bar__item a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: color var(--flashgl-transition-fast, 150ms) ease;
}

.top-bar__item a:hover {
    color: var(--wp--preset--color--white, #FFFFFF);
}

.top-bar__icon {
    flex-shrink: 0;
    opacity: 0.8;
}

/* Social icons in top bar */
.top-bar__social {
    display: flex;
    align-items: center;
    gap: 12px;
}

.top-bar__social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--flashgl-transition-fast, 150ms) ease;
}

.top-bar__social-link:hover {
    color: var(--wp--preset--color--white, #FFFFFF);
}

/* WeChat QR code popup */
.top-bar__social-link--wechat,
.site-footer__social-link--wechat {
    position: relative;
}

/* Top bar: popup drops DOWN (no space above) */
.top-bar__wechat-qr {
    position: absolute;
    top: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--flashgl-surface-bg, #FFFFFF);
    border-radius: var(--flashgl-radius-md, 8px);
    box-shadow: var(--flashgl-shadow-lg, 0 10px 15px rgba(0,0,0,0.1));
    padding: 12px;
    text-align: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--flashgl-transition-fast, 150ms) ease,
                visibility var(--flashgl-transition-fast, 150ms) ease;
    pointer-events: none;
    z-index: 100;
    min-width: 164px;
}

/* Footer: popup pops UP */
.site-footer__wechat-qr {
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--flashgl-surface-bg, #FFFFFF);
    border-radius: var(--flashgl-radius-md, 8px);
    box-shadow: var(--flashgl-shadow-lg, 0 10px 15px rgba(0,0,0,0.1));
    padding: 12px;
    text-align: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--flashgl-transition-fast, 150ms) ease,
                visibility var(--flashgl-transition-fast, 150ms) ease;
    pointer-events: none;
    z-index: 100;
    min-width: 164px;
}

/* Invisible hover bridge — fills the 10px gap so mouse doesn't lose :hover */
.top-bar__wechat-qr::before {
    content: "";
    position: absolute;
    top: -10px;
    left: 0;
    right: 0;
    height: 10px;
    /* transparent — exists only to keep hover state alive */
}

/* Arrow — top bar points UP (toward trigger) */
.top-bar__wechat-qr::after {
    content: "";
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-bottom-color: var(--flashgl-surface-bg, #FFFFFF);
}

/* Arrow — footer points DOWN (toward trigger) */
.site-footer__wechat-qr::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--flashgl-surface-bg, #FFFFFF);
}

.top-bar__wechat-qr img,
.site-footer__wechat-qr img {
    display: block;
    width: 140px;
    height: 140px;
    object-fit: contain;
    margin: 0 auto;
    border-radius: 4px;
}

.top-bar__wechat-qr small,
.site-footer__wechat-qr small {
    display: block;
    margin-top: 6px;
    font-size: 11px;
    color: var(--wp--preset--color--gray-500, #6B7B8D);
    line-height: 1.3;
}

.top-bar__social-link--wechat:hover .top-bar__wechat-qr,
.top-bar__social-link--wechat:focus .top-bar__wechat-qr,
.site-footer__social-link--wechat:hover .site-footer__wechat-qr,
.site-footer__social-link--wechat:focus .site-footer__wechat-qr {
    opacity: 1;
    visibility: visible;
}

/* ==============================
   Language Switcher (flashgl-lang-sw)
   ============================== */

.flashgl-lang-sw {
    position: relative;
    display: flex;
    align-items: center;
}

/* Trigger button */
.flashgl-lang-sw__trigger {
    display: inline-flex;
    flex-direction: row;
    align-items: center;
    gap: 6px;
    background: none;
    border: none;
    color: inherit;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    line-height: 1;
    font-family: inherit;
    white-space: nowrap;
    transition: background 0.15s;
    outline: none;
}
.flashgl-lang-sw__trigger:hover,
.flashgl-lang-sw__trigger:focus-visible {
    background: rgba(255, 255, 255, 0.12);
}
.flashgl-lang-sw__trigger--static {
    cursor: default;
}
.flashgl-lang-sw__trigger--static:hover {
    background: none;
}

/* Flag image */
.flashgl-lang-sw__flag {
    width: 16px;
    height: 11px;
    border-radius: 2px;
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.1);
    flex-shrink: 0;
    display: block;
    object-fit: cover;
}

/* Language code label */
.flashgl-lang-sw__code {
    letter-spacing: 0.03em;
}

/* Chevron arrow */
.flashgl-lang-sw__chevron {
    width: 9px;
    height: 9px;
    flex-shrink: 0;
    opacity: 0.6;
    transition: transform 0.2s ease;
}

/* Dropdown menu — hidden by default */
.flashgl-lang-sw__menu {
    display: block;
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    z-index: 2000;  /* well above top-bar (1000) and main-nav (999) */
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    min-width: 160px;
    padding: 4px 0;
    margin: 0;
    list-style: none;
    transition: opacity 0.15s ease, visibility 0.15s ease;
}

/* Invisible hover bridge — fills gap so cursor can reach the menu */
.flashgl-lang-sw__menu::before {
    content: "";
    position: absolute;
    bottom: 100%;
    left: 0;
    right: 0;
    height: 8px;
}

/* Show on hover (desktop) */
.flashgl-lang-sw--has-menu:hover .flashgl-lang-sw__menu,
.flashgl-lang-sw--has-menu:focus-within .flashgl-lang-sw__menu {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
}

/* Rotate chevron when open */
.flashgl-lang-sw--has-menu:hover .flashgl-lang-sw__chevron,
.flashgl-lang-sw--has-menu:focus-within .flashgl-lang-sw__chevron,
.flashgl-lang-sw--open .flashgl-lang-sw__chevron {
    transform: rotate(180deg);
}

/* JS-toggled open state (for touch/click) */
.flashgl-lang-sw--open .flashgl-lang-sw__menu {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
}

/* Dropdown items */
.flashgl-lang-sw__item a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 14px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: #374151;
    text-decoration: none;
    transition: background 0.12s;
    white-space: nowrap;
}
.flashgl-lang-sw__item a:hover {
    background: #f0f4ff;
    color: #1A2B8C;
}
.flashgl-lang-sw__item.is-active a {
    background: #edf2ff;
    color: #1A2B8C;
    font-weight: 700;
}
.flashgl-lang-sw__item .flashgl-lang-sw__flag {
    flex-shrink: 0;
}

/* ==============================
   Main Navigation
   ============================== */

.main-nav {
    background-color: var(--flashgl-header-bg, #FFFFFF);
    height: var(--flashgl-nav-height, 80px);
    position: relative;
    z-index: 999;
    border-bottom: 1px solid var(--flashgl-border-color, #E8ECF1);
    transition: height var(--flashgl-transition-base, 300ms) ease,
                box-shadow var(--flashgl-transition-base, 300ms) ease,
                background-color var(--flashgl-transition-base, 300ms) ease;
}

.main-nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--flashgl-container-max, 1280px);
    margin: 0 auto;
    padding: 0 24px;
}

/* Logo */
.main-nav__logo {
    flex-shrink: 0;
    margin-right: 40px;
}

.main-nav__logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.main-nav__logo-img {
    max-height: 48px;
    width: auto;
    transition: max-height var(--flashgl-transition-base, 300ms) ease;
}

.main-nav__logo-text {
    font-size: var(--wp--preset--font-size--2xl, 1.5rem);
    font-weight: 700;
    color: var(--flashgl-header-text, #1A2B8C);
}

/* Menu list */
.main-nav__menu {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.main-nav__list {
    display: flex;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 4px;
}

.main-nav__item {
    position: relative;
}

.main-nav__link {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 8px 16px;
    color: var(--flashgl-text-body, #2D3748);
    font-size: var(--wp--preset--font-size--sm, 0.875rem);
    font-weight: 500;
    text-decoration: none;
    border-radius: var(--flashgl-radius-sm, 4px);
    transition: color var(--flashgl-transition-fast, 150ms) ease,
                background-color var(--flashgl-transition-fast, 150ms) ease;
}

.main-nav__link:hover,
.main-nav__link:focus {
    color: var(--flashgl-text-primary, #1A2B8C);
    background-color: rgba(26, 43, 140, 0.05);
}


/* Active menu item */
.main-nav__item.current-menu-item > .main-nav__link,
.main-nav__item.current-menu-ancestor > .main-nav__link {
    color: var(--wp--preset--color--primary, #1A2B8C);
    font-weight: 600;
}

.main-nav__arrow {
    display: inline-flex;
    align-items: center;
    margin-left: 2px;
    transition: transform var(--flashgl-transition-fast, 150ms) ease;
}

.main-nav__arrow svg {
    display: block;
    width: 10px;
    height: 6px;
}

.main-nav__item:hover .main-nav__arrow,
.main-nav__item:focus-within .main-nav__arrow {
    transform: rotate(180deg);
}

/* CTA Button */
.main-nav__cta {
    flex-shrink: 0;
    margin-left: 24px;
}

.btn--cta {
    white-space: nowrap;
}

/* Flight icon in CTA button */
.btn__icon-flight {
    display: inline-block;
    vertical-align: middle;
    flex-shrink: 0;
}

/* Mobile toggle */
.main-nav__toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.main-nav__toggle-bar {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--flashgl-text-body, #2D3748);
    border-radius: 2px;
    transition: all var(--flashgl-transition-base, 300ms) ease;
}

.main-nav__toggle:focus-visible {
    outline: 2px solid var(--wp--preset--color--primary, #1A2B8C);
    outline-offset: 2px;
}

/* ==============================
   Sticky Header
   ============================== */

/* Top bar is rendered via wp_body_open (before header), so use body class */
body.sticky-active .top-bar {
    transform: translateY(-100%);
    opacity: 0;
    height: 0;
    min-height: 0;
    overflow: hidden;
    transition: transform 0.3s ease, opacity 0.3s ease, height 0.3s ease, min-height 0.3s ease;
}

body.sticky-active .site-header {
    margin-bottom: 60px;
}

body.sticky-active .main-nav {
    height: 60px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    box-shadow: var(--flashgl-shadow-md, 0 4px 6px rgba(0,0,0,0.07));
    z-index: 1000;
    will-change: transform;
}

body.sticky-active .main-nav__logo-img {
    max-height: 36px;
}

/* Non-sticky: Top bar transitions back smoothly */
.top-bar {
    transition: transform 0.3s ease, opacity 0.3s ease, height 0.3s ease, min-height 0.3s ease;
}

/* ==============================
   Mega Menu
   ============================== */

.mega-menu-content {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--flashgl-surface-bg, #FFFFFF);
    box-shadow: var(--flashgl-shadow-xl, 0 20px 25px rgba(0,0,0,0.1));
    border-top: 3px solid var(--flashgl-text-primary, #1A2B8C);
    padding: 40px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity var(--flashgl-transition-base, 300ms) ease,
                transform var(--flashgl-transition-base, 300ms) ease,
                visibility var(--flashgl-transition-base, 300ms) ease;
    z-index: 999;
}

.main-nav__item--mega:hover .mega-menu-content,
.main-nav__item--mega:focus-within .mega-menu-content,
.main-nav__item--mega.is-focused .mega-menu-content {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mega-menu-content__section {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: var(--flashgl-content-max, 1200px);
    margin: 0 auto;
}

.mega-menu-content__heading {
    color: var(--flashgl-text-primary, #1A2B8C);
    font-size: var(--wp--preset--font-size--lg, 1.125rem);
    font-weight: 600;
    margin-bottom: 16px;
}

.mega-menu-content__placeholder {
    color: var(--wp--preset--color--gray-500, #6B7B8D);
    font-size: var(--wp--preset--font-size--sm, 0.875rem);
}

/* Mega menu inner links */
.mega-menu-content a {
    color: var(--flashgl-text-body, #2D3748);
    text-decoration: none;
    transition: color var(--flashgl-transition-fast, 150ms) ease;
}

.mega-menu-content a:hover {
    color: var(--flashgl-text-primary, #1A2B8C);
}

/* ==============================
   Mobile Navigation
   ============================== */

/* Overlay */
.mobile-nav__overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--flashgl-transition-base, 300ms) ease,
                visibility var(--flashgl-transition-base, 300ms) ease;
}

.mobile-nav__overlay.is-active {
    opacity: 1;
    visibility: visible;
}

/* Panel */
.mobile-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 320px;
    max-width: 85vw;
    height: 100vh;
    background-color: var(--flashgl-surface-bg, #FFFFFF);
    z-index: 10001;
    transform: translateX(100%);
    transition: transform var(--flashgl-transition-base, 300ms) ease;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.mobile-nav.is-open {
    transform: translateX(0);
}

/* Panel header */
.mobile-nav__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--flashgl-border-color, #E8ECF1);
    flex-shrink: 0;
}

.mobile-nav__brand {
    display: flex;
    align-items: center;
}

.mobile-nav__logo {
    max-height: 32px;
    width: auto;
    height: auto;
}

.mobile-nav__logo-text {
    font-size: var(--wp--preset--font-size--lg, 1.125rem);
    font-weight: 700;
    color: var(--flashgl-text-primary, #1A2B8C);
}

.mobile-nav__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--wp--preset--color--gray-500, #6B7B8D);
    border-radius: var(--flashgl-radius-sm, 4px);
    transition: background-color var(--flashgl-transition-fast, 150ms) ease,
                color var(--flashgl-transition-fast, 150ms) ease;
}

.mobile-nav__close:hover {
    background-color: var(--flashgl-surface-alt, #F5F7FA);
    color: var(--flashgl-text-body, #2D3748);
}

.mobile-nav__close:focus-visible {
    outline: 2px solid var(--wp--preset--color--primary, #1A2B8C);
    outline-offset: 2px;
}

/* Panel body (menu) */
.mobile-nav__body {
    flex: 1;
    overflow-y: auto;
    padding: 12px 0;
}

.mobile-nav__list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mobile-nav__list li {
    border-bottom: 1px solid var(--flashgl-border-color, #E8ECF1);
}

.mobile-nav__list a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    color: var(--flashgl-text-body, #2D3748);
    font-size: var(--wp--preset--font-size--base, 1rem);
    font-weight: 500;
    text-decoration: none;
    transition: background-color var(--flashgl-transition-fast, 150ms) ease,
                color var(--flashgl-transition-fast, 150ms) ease;
}

.mobile-nav__list a:hover,
.mobile-nav__list a:focus {
    background-color: var(--flashgl-surface-alt, #F5F7FA);
    color: var(--flashgl-text-primary, #1A2B8C);
}

/* Sub-menu accordion */
.mobile-nav__list .sub-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--flashgl-transition-base, 300ms) ease;
    background-color: var(--flashgl-surface-alt, #F5F7FA);
}

.mobile-nav__list .sub-menu.is-expanded {
    max-height: 500px;
}

.mobile-nav__list .sub-menu a {
    padding-left: 40px;
    font-size: var(--wp--preset--font-size--sm, 0.875rem);
    font-weight: 400;
}

/* Mobile nav arrow indicator */
.mobile-nav__arrow {
    transition: transform var(--flashgl-transition-fast, 150ms) ease;
    font-size: 0.6em;
}

/* Panel footer */
.mobile-nav__footer {
    padding: 16px 20px;
    border-top: 1px solid var(--flashgl-border-color, #E8ECF1);
    flex-shrink: 0;
}

.mobile-nav__contact {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
    color: var(--wp--preset--color--gray-500, #6B7B8D);
    font-size: var(--wp--preset--font-size--sm, 0.875rem);
    text-decoration: none;
    transition: color var(--flashgl-transition-fast, 150ms) ease;
}

.mobile-nav__contact:hover {
    color: var(--wp--preset--color--primary, #1A2B8C);
}

/* Mobile CTA button in panel footer */
.mobile-nav__cta-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    margin-top: 12px;
    padding: 12px 20px;
    font-size: var(--wp--preset--font-size--base, 1rem);
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--flashgl-radius-md, 8px);
}

/* ==============================
   Mobile Quick Bar (bottom fixed)
   ============================== */

.mobile-quickbar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--flashgl-surface-bg, #FFFFFF);
    box-shadow: 0 -2px 10px var(--flashgl-shadow-color, rgba(0, 0, 0, 0.1));
    z-index: 9999;
    padding: 6px 0;
    padding-bottom: calc(6px + env(safe-area-inset-bottom));
    border-top: 1px solid var(--flashgl-border-color, #E8ECF1);
}

.mobile-quickbar__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    padding: 6px 4px 4px;
    color: var(--flashgl-text-secondary, #6B7B8D);
    text-decoration: none;
    font-size: 10px;
    font-weight: 500;
    line-height: 1;
    transition: color var(--flashgl-transition-fast, 150ms) ease;
    position: relative;
    -webkit-tap-highlight-color: transparent;
    -webkit-appearance: none;
    appearance: none;
    background: none;
    border: none;
    outline: none;
    font-family: inherit;
    cursor: pointer;
    border-radius: 0;
}

.mobile-quickbar__item:hover,
.mobile-quickbar__item:active,
.mobile-quickbar__item:focus {
    color: var(--flashgl-text-primary, #1A2B8C);
    background: none;
    outline: none;
}

/* Active page indicator — dot below icon */
.mobile-quickbar__item.is-active::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background-color: var(--wp--preset--color--accent, #D00020);
}

/* Quote (CTA) item — accent color */
.mobile-quickbar__item--cta {
    color: var(--wp--preset--color--accent, #D00020);
}

.mobile-quickbar__item--cta:hover,
.mobile-quickbar__item--cta:active {
    color: var(--wp--preset--color--accent, #D00020);
}

.mobile-quickbar__icon {
    margin-bottom: 3px;
    transition: transform var(--flashgl-transition-fast, 150ms) ease;
}

.mobile-quickbar__item:active .mobile-quickbar__icon {
    transform: scale(0.9);
}

.mobile-quickbar__label {
    white-space: nowrap;
    letter-spacing: 0.01em;
}

/* ==============================
   Responsive — Mobile Breakpoint
   ============================== */

@media (max-width: 768px) {
    .top-bar {
        display: none;
    }

    .main-nav__menu {
        display: none;
    }

    .main-nav__cta {
        display: none;
    }

    .main-nav__toggle {
        display: flex;
    }

    .mobile-quickbar {
        display: flex;
    }

    /* Prevent mobile quickbar from occluding footer / toasts */
    body {
        padding-bottom: 56px;
    }

    /* Adjust main-nav for mobile */
    .main-nav__inner {
        justify-content: space-between;
    }

    .main-nav__logo {
        margin-right: 0;
    }
}

/* Active hamburger animation */
.main-nav__toggle.is-active .main-nav__toggle-bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.main-nav__toggle.is-active .main-nav__toggle-bar:nth-child(2) {
    opacity: 0;
}

.main-nav__toggle.is-active .main-nav__toggle-bar:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Body scroll lock when mobile menu is open */
body.mobile-menu-open {
    overflow: hidden;
}

/* ==============================
   Desktop Sub-menu (non-mega)
   ============================== */

.main-nav__item .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background-color: var(--flashgl-surface-bg, #FFFFFF);
    box-shadow: var(--flashgl-shadow-md, 0 4px 6px rgba(0,0,0,0.07));
    border-radius: 0 0 var(--flashgl-radius-sm, 4px) var(--flashgl-radius-sm, 4px);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity var(--flashgl-transition-base, 300ms) ease,
                transform var(--flashgl-transition-base, 300ms) ease,
                visibility var(--flashgl-transition-base, 300ms) ease;
    z-index: 998;
    padding: 8px 0;
}

.main-nav__item:hover > .sub-menu,
.main-nav__item:focus-within > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.main-nav__item .sub-menu li {
    border-bottom: none;
}

.main-nav__item .sub-menu a {
    display: block;
    padding: 8px 20px;
    color: var(--flashgl-text-body, #2D3748);
    font-size: var(--wp--preset--font-size--sm, 0.875rem);
    font-weight: 400;
    text-decoration: none;
    transition: background-color var(--flashgl-transition-fast, 150ms) ease,
                color var(--flashgl-transition-fast, 150ms) ease;
}

.main-nav__item .sub-menu a:hover {
    background-color: var(--flashgl-surface-alt, #F5F7FA);
    color: var(--flashgl-text-primary, #1A2B8C);
}

/* ==============================
   Focus States — Accessibility
   ============================== */

.main-nav__link:focus-visible {
    outline: 2px solid var(--wp--preset--color--primary, #1A2B8C);
    outline-offset: 2px;
}

.top-bar__social-link:focus-visible {
    outline: 2px solid var(--wp--preset--color--white, #FFFFFF);
    outline-offset: 2px;
    border-radius: 2px;
}

.top-bar__item a:focus-visible {
    outline: 2px solid var(--wp--preset--color--white, #FFFFFF);
    outline-offset: 2px;
    border-radius: 2px;
}

/* ==============================
   Mega Menu — CPT Dynamic Grid
   ============================== */

.mega-menu-content__grid {
    max-width: var(--flashgl-content-max, 1200px);
    margin: 0 auto;
}

.mega-menu-content__grid--2col .mega-menu-content__items,
.mega-menu-content__grid--2col .mega-menu-content__groups {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.mega-menu-content__grid--3col .mega-menu-content__items,
.mega-menu-content__grid--3col .mega-menu-content__groups {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.mega-menu-content__grid--4col .mega-menu-content__items,
.mega-menu-content__grid--4col .mega-menu-content__groups {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.mega-menu-content__item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--flashgl-radius-sm, 4px);
    transition: background-color var(--flashgl-transition-fast, 150ms) ease;
    text-decoration: none;
    color: var(--wp--preset--color--gray-800, #2D3748);
}

.mega-menu-content__item:hover {
    background-color: var(--wp--preset--color--light, #F5F7FA);
    color: var(--wp--preset--color--primary, #1A2B8C);
}

.mega-menu-content__item-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
}

.mega-menu-content__item-icon img {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.mega-menu-content__item-title {
    font-size: var(--wp--preset--font-size--sm, 0.875rem);
    font-weight: 600;
    line-height: 1.4;
    color: var(--wp--preset--color--gray-800, #2D3748);
    transition: color var(--flashgl-transition-fast, 150ms) ease;
}

.mega-menu-content__item:hover .mega-menu-content__item-title {
    color: var(--wp--preset--color--primary, #1A2B8C);
}

.mega-menu-content__item-desc {
    display: block;
    font-size: var(--wp--preset--font-size--xs, 0.75rem);
    color: var(--wp--preset--color--gray-500, #6B7B8D);
    line-height: 1.4;
    margin-top: 2px;
}

/* Route-specific item layout */
.mega-menu-content__item--route {
    flex-direction: column;
    gap: 4px;
}

.mega-menu-content__item-route {
    font-size: var(--wp--preset--font-size--xs, 0.75rem);
    font-weight: 700;
    color: var(--wp--preset--color--primary, #1A2B8C);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.mega-menu-content__item--route .mega-menu-content__item-title {
    font-weight: 500;
}

/* Grouped layout (Routes) */
.mega-menu-content__group {
    padding: 8px 0;
}

.mega-menu-content__group-title {
    font-size: var(--wp--preset--font-size--sm, 0.875rem);
    font-weight: 700;
    color: var(--flashgl-text-primary, #1A2B8C);
    margin-bottom: 8px;
    padding-bottom: 6px;
    border-bottom: 2px solid var(--flashgl-text-primary, #1A2B8C);
}

/* View All link */
.mega-menu-content__view-all {
    margin-top: 16px;
    padding-top: 12px;
    border-top: 1px solid var(--flashgl-border-color, #E8ECF1);
    text-align: center;
}

.mega-menu-content__view-all a {
    font-size: var(--wp--preset--font-size--sm, 0.875rem);
    font-weight: 600;
    color: var(--flashgl-text-primary, #1A2B8C);
    text-decoration: none;
    transition: color var(--flashgl-transition-fast, 150ms) ease;
}

.mega-menu-content__view-all a:hover {
    color: var(--wp--preset--color--accent, #D00020);
}